#include <iostream>
#include <vector>
using namespace std;
int main()
{
    int n, m;
    cin >> n >> m;
    vector<int> a, b;
    for(int i = 0; i < n; ++i) {
        int tmp;
        cin >> tmp;
        a.push_back(tmp);
    }
    for(int i = 0; i < m; ++i) {
        int tmp;
        cin >> tmp;
        b.push_back(tmp);
    }

    // i是快指针，遍历b序列
    for(int i = 0, j = 0; i < m; ++i) {
        while(a[j] == b[i]) {
            ++j;
            break;// 找到一个元素相等后移动i指针
        }

        if(j == n) {
            cout << "Yes";
            return 0;
        }
    }
    cout << "No";
    return 0;
}